<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script type="text/javascript">
        function Person(name, age) {
            this.name = name;
            this.age = age;
            this.showTime = function () {

            }

        }
        Person.prototype.show = function () {

        }




        var person1 = new Person("lucy", 18);
    </script>
</head>
<body>

</body>
</html>